Fun History Fact about S&P 500

Here's a fun historic fact about the SPX . According to the National Bureau of Economic Research :

" This year is only the 8th since 1929 to post a January loss after 3 or more consecutive up years,All prior 7 closed down for the year, (avg -14.8%), and all 7 were followed by a recession on average 7 months later. The prior years: 1953, 1957, 1973, 1981, 1990, 2000, 2008."